You can declare a checked exception class name in a method’s throws clause without throwing an instance of this class from the method. (Perhaps the method has yet to be fully coded.) ...

In short, expending the Java VM to handle a thrown exception requires more effort, i.e., abrupt method completion is significantly more expensive (performance-wise) than a normal method completion.

In a successful exception handler, the method that throws the exception must be contained in a "try" block, as in "try { exceptionThrowingMethod (); }" After the try block is defined, the ...